Piv txwv li, yog tias koj xav qhib DN100, PN10 npauj npaim valve, tus nqi torque yog 35NM, thiab tus kov ntev yog 20cm (0.2m), ces qhov yuav tsum tau quab yuam yog 170N, uas yog sib npaug rau 17kg.
Npauj npaim valve yog lub valve uas tuaj yeem qhib thiab kaw los ntawm kev tig lub phaj valve 1/4 tig, thiab tus naj npawb ntawm qhov kov yog 1/4 tig.Ces lub sij hawm yuav tsum tau qhib los yog kaw yog txiav txim los ntawm torque.Qhov ntau dua qhov torque, qhov qeeb qeeb ntawm lub valve qhib thiab kaw.rov qab.
2. Kab iav actuated npauj npaim valve:
nruab rau ntawm npauj npaim li qub nrog DN≥50.Ib lub tswv yim uas cuam tshuam rau tus naj npawb ntawm cov lem thiab ceev ntawm tus cab iav npauj npaim valve yog hu ua "speed ratio".
Qhov sib piv ceev yog hais txog qhov sib piv ntawm qhov kev sib hloov ntawm tus actuator tso zis ncej (lub tes tuav) thiab kev sib hloov ntawm npauj npaim valve phaj.Piv txwv li, qhov sib piv ceev ntawm DN100 turbine npauj npaim valve yog 24: 1, uas txhais tau hais tias lub log ntawm lub thawv turbine tig 24 zaug thiab npauj npaim phaj tig 1 lub voj voog (360 °).Txawm li cas los xij, qhov qhib siab tshaj plaws ntawm lub phaj npauj npaim yog 90 °, uas yog 1/4 lub voj voog.Yog li ntawd, lub handwheel ntawm lub thawv turbine yuav tsum tau tig 6 zaug.Hauv lwm lo lus, 24: 1 txhais tau hais tias koj tsuas yog yuav tsum tig lub log ntawm lub turbine npauj npaim valve 6 tig kom tiav qhov qhib lossis kaw ntawm npauj npaim valve.
| DN | 50-150 | 200-250 | 300-350 | 400-450 |
| Txo tus nqi | 24: 1 | 30:1 ua | 50: 1 | 80: 1 |
"Lub siab tawv tshaj plaws" yog cov yeeb yaj kiab uas nrov tshaj plaws thiab kov tau hauv xyoo 2023. Muaj cov ntsiab lus hais tias cov neeg tua hluav taws nkag mus rau hauv qhov hluav taws kub thiab muab 8,000 tig los kaw lub valve.Cov neeg uas tsis paub cov ntsiab lus yuav hais tias "qhov no yog exaggerated heev."Qhov tseeb, tus neeg tua hluav taws tau tshoov siab zaj dab neeg "Lub siab tawv tshaj plaws" hauv zaj dab neeg " tig lub valve 80,000 tig, 6 teev ua ntej kaw nws.
Tsis txhob poob siab los ntawm tus lej ntawd, hauv cov yeeb yaj kiab nws yog lub rooj vag valve, tab sis hnub no peb tab tom tham txog npauj npaim valve.Tus naj npawb ntawm kev hloov pauv yuav tsum tau kaw lub npauj npaim valve ntawm tib DN yeej tsis tas yuav muaj ntau.
Hauv luv luv, tus naj npawb ntawm qhib thiab kaw lem thiab lub sijhawm ua haujlwm ntawm npauj npaim valve yog nyob ntawm ntau yam, xws li hom actuator, nruab nrab ntws tus nqi thiab siab, thiab lwm yam, thiab yuav tsum tau xaiv thiab kho raws li qhov tseeb ntawm qhov xwm txheej. .
Ua ntej sib tham txog cov kev hloov pauv uas yuav tsum tau kaw lub npauj npaim valve, cia peb nkag siab txog cov cuab yeej uas xav tau los qhib npauj npaim valve: tus actuator.Cov actuators sib txawv muaj cov lej sib txawv siv los kaw lub npauj npaim valve, thiab lub sijhawm xav tau kuj txawv.
Npauj npaim valve qhib thiab kaw lub sij hawm xam cov mis Lub sij hawm qhib thiab kaw ntawm npauj npaim valve yog hais txog lub sij hawm nws yuav siv rau lub npauj npaim valve kom tiav los ntawm tag nrho qhib mus rau tag nrho kaw los yog los ntawm tag nrho kaw mus rau tag nrho qhib.Lub sijhawm qhib thiab kaw ntawm npauj npaim valve yog cuam tshuam nrog kev ua haujlwm ceev ntawm tus actuator, kua siab thiab lwm yam.
t = (90/ω) * 60,
Ntawm lawv, t yog lub sijhawm qhib thiab kaw, 90 yog lub kaum sab xis ntawm lub npauj npaim valve, thiab ω yog qhov nrawm nrawm ntawm npauj npaim valve.
1. Kov ua npauj npaim valve:
Feem ntau nruab rau ntawm npauj npaim li qub nrog DN ≤ 200 (qhov loj tshaj plaws tuaj yeem yog DN 300).Lub sijhawm no, peb yuav tsum hais txog lub tswvyim hu ua "torque".
Torque yog hais txog lub zog uas yuav tsum tau qhib lossis kaw lub valve.Qhov torque no cuam tshuam los ntawm ntau yam, nrog rau qhov loj ntawm lub npauj npaim valve, lub siab thiab cov yam ntxwv ntawm kev tshaj tawm, thiab kev sib txhuam ntawm lub valve.Torque qhov tseem ceeb feem ntau qhia hauv Newton meters (Nm).
| Qauv | Siab rau Npauj Npaim Valve | ||
| DN | PN 6 | PN10 | NP16 |
| Torque, Nm | |||
| 50 | 8 | 9 | 11 |
| 65 | 13 | 15 | 18 |
| 80 | 20 | 23 | 27 |
| 100 | 32 | 35 | 45 |
| 125 | 51 | 60 | 70 |
| 150 | 82 | 100 | 110 |
| 200 | 140 | 168 | 220 |
| 250 | 230 | 280 | 380 |
| 300 | 320 | 360 | 500 |
3. Electric actuated npauj npaim valve:
Nruab nrog DN50-DN3000.Hom haum rau npauj npaim li qub yog lub quarter-tig hluav taws xob ntaus ntawv (rotating lub kaum sab xis 360 degrees).Qhov tseem ceeb parameter yog torque, thiab chav tsev yog Nm
Lub sijhawm kaw ntawm lub tshuab hluav taws xob npauj npaim valve yog kho tau, nyob ntawm lub zog, thauj khoom, ceev, thiab lwm yam ntawm tus actuator, thiab feem ntau tsis tshaj 30 vib nas this.
Yog li nws yuav siv sijhawm ntau npaum li cas los kaw npauj npaim valve?Lub sijhawm qhib thiab kaw ntawm npauj npaim valve nyob ntawm qhov ceev ntawm lub cev muaj zog.Cov zis ceev ntawm lubZFA valverau cov khoom siv hluav taws xob zoo tib yam yog 12/18/24/30/36/42/48/60 (R/min).
Piv txwv li, yog tias lub taub hau hluav taws xob nrog kev sib hloov ceev ntawm 18, thiab lub sijhawm kaw ntawm 20 vib nas this, ces tus lej ntawm nws kaw yog 6.
| HOM | SPEC | Tso zis Torque N. m | Tso zis Rotating ceev r/min | Lub Sijhawm Ua Haujlwm | Max Diamter ntawm Stem | Handwheel tig | |
| ZFA-QT1 | QT06 | 60 | 0.86 ib | 17.5 Nws | 22 | 8.5 | |
| qw 09 | 90 | ||||||
| ZFA-QT2 | QT15 | 150 | 0.73/1.5 | 20/10 | 22 | 10.5 | |
| QT 20 | 200 | 32 | |||||
| ZFA-QT3 | QT30 | 300 | 0.57/1.2 | 26/13 | 32 | 12.8 ib | |
| QT40 | 400 | ||||||
| QT50 | 500 | ||||||
| QT 60 | 600 | 14.5 ib | |||||
| ZFA-QT4 | QT80 | 800 | 0.57/1.2 | 26/13 | 32 | ||
| QT100 | 1000 |
Kev ceeb toom sov: Lub tshuab hluav taws xob ntawm lub valve yuav tsum muaj lub zog los ua rau nws.Yog tias lub torque me me, nws yuav tsis tuaj yeem qhib lossis kaw, yog li nws yog qhov zoo dua los xaiv qhov loj dua qhov me me.